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When is a further clinical trial justified?
2012
The BMJ (British Medical Journal)
Preserved Fulltext
High quality randomised trials provide unbiased estimates of the effects of health interventions, but the findings of a single trial are rarely conclusive. Usually data from several similar trials must be pooled together to draw firm conclusions about the effectiveness of an intervention. This article considers how to determine whether data from existing trials are conclusive and, if not, whether a further trial is justified. Manuela L Ferreira research fellow 1 , Robert D Herbert professor 2 ,
doi:10.1136/bmj.e5913
pmid:22977141
fatcat:r2nenpkgxzg4vb5j5ezzi5x5mi